diff --git a/tests/test_utils/test_processes.py b/tests/test_utils/test_processes.py
index 2685780..36090cf 100644
--- a/tests/test_utils/test_processes.py
+++ b/tests/test_utils/test_processes.py
@@ -33,3 +33,14 @@ class TerminateProcessesTestCase(BaseTestCase):
         self.assertIsNone(still_alive)
         for proc in created_processes:
             self.assertEqual(proc.poll(), 0)
+
+
+class RunningProcessTestCase(BaseTestCase):
+    def test_current_process_running(self):
+        self.assertTrue(processes.is_process_running(os.getpid()))
+
+    def test_root_process_running(self):
+        self.assertTrue(processes.is_process_running(processes.get_root_process().pid))
+
+    def test_impossible_running_process(self):
+        self.assertFalse(processes.is_process_running(2938420983094892))